[time-nuts] TICC reference source

[Anders Wallin]

page 48 here has some notes on time-base error:
http://leapsecond.com/hpan/an200-3.pdf

for time-interval measurement the number of digits matter. if you keep
time-intervals 'small', say 123.45 ns (probably can't resolve much below
10ps anyway with a TICC) then a time-base with only about 5-6 digits of
stability&accuracy is sufficient - even if you are measuring two good
H-masers against each other.
The OCXO may have better short-term stability compared to the Rb.

Anders

On Fri, Jun 14, 2019 at 5:01 AM Taka Kamiya via time-nuts <
time-nuts at lists.febo.com> wrote:

> I am building a TICC-IN-A-BOX.  Basically TICC + TADD-2 mini + reference
> oscillator.
> Initially, I was going to use HP11811-6011 but I am also considering
> PRS10.  (I already own both)  While I believe 11811 is sufficient, PRS10
> can be kept off and reaches usable state (physics lock) faster, while 11811
> has to be kept on or otherwise usable stability will be few hours.
>
> I do have a house clock but since it can be a subject of measurement, I
> want my TICC-IN-A-BOX to have an independent clock.
> Am I thinking correctly?
> ---------------------------------------
> (Mr.) Taka Kamiya
> I'm stuck in a wormhole....  Hello, worms!
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